CVE-2026-15627 nextlevelbuilder GoClaw tool.go handleNavigate information disclosure

Medium 5.3 Published Updated

Remote attackers can exploit the handleNavigate function in GoClaw to disclose sensitive information via the targetUrl argument.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-15627?

CVE-2026-15627 is a medium-severity vulnerability in nextlevelbuilder GoClaw, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This vulnerability affects the function handleNavigate of the file pkg/browser/tool.go. Such manipulation of the argument args.targetUrl leads to information disclosure. The attack may be performed from remote. The exploit is publicly available and might be used.

Weakness: CWE-284, CWE-200

Which versions are affected by CVE-2026-15627?

How do I fix CVE-2026-15627?

No fix has been published for CVE-2026-15627 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-15627 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15627 exists.

Sources

Also known as GHSA-mmqr-fw76-fv3f.

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